component
8002A
Public Made by Adomby adom
IDCHIP Audio Power OpAmps, SOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
← Commit history
pin 1: carry the footprint's marker into the .lbr, the viewer and page.json (silk-marker, drawn, top-left)
2 files changed
+267−1
package.json+2−1@@ -24,6 +24,7 @@ "docs/hero.png", "docs/8002a-datasheet.pdf", "viewers/symbol.html",- "viewers/footprint.html"+ "viewers/footprint.html",+ "pads.json" ] }
pads.jsonadded+265@@ -0,0 +1,265 @@+{+ "schema": "adom.pads/1",+ "slug": "8002a",+ "footprint": "SOIC-8_3.9x4.9mm_P1.27mm",+ "generated_from": {+ "footprint": "SOIC-8_3.9x4.9mm_P1.27mm@sha256:074ecb2092b24fa4",+ "pins": "page.json:component.pins",+ "overrides": null+ },+ "pin1": {+ "pad": "1",+ "at": [+ -2.475,+ -1.905+ ],+ "corner": "top-left",+ "source": "silk-marker",+ "derived_from": "SOIC-8_3.9x4.9mm_P1.27mm@sha256:074ecb2092b24fa4"+ },+ "pad_count": 8,+ "paste_apertures": 0,+ "issues": [],+ "pads": [+ {+ "pad": "1",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ -2.475,+ -1.905+ ],+ "rot": 0.0,+ "size": [+ 1.95,+ 0.6+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "1",+ "name": "SD",+ "type": "input",+ "description": "Shutdown control input. Logic HIGH (VIH = 1.5V to VDD) disables the amplifier and puts the chip into low-power mode (~10μA typical, 16μA max); logic LOW (VIL = 0 to 1V) enables normal operation. Pin is high-impedance internally with no pull-up/pull-down - must not be left floating (tie to GND if unused).",+ "is_pin1": true,+ "source": {+ "geometry": "SOIC-8_3.9x4.9mm_P1.27mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "2",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ -2.475,+ -0.635+ ],+ "rot": 0.0,+ "size": [+ 1.95,+ 0.6+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "2",+ "name": "BYP",+ "type": "passive",+ "description": "Bypass pin - internal VDD/2 mid-supply reference output. Connect a bypass capacitor (typ. 1μF) from this pin to GND to filter the mid-rail reference and improve PSRR and low-frequency THD+N.",+ "is_pin1": false,+ "source": {+ "geometry": "SOIC-8_3.9x4.9mm_P1.27mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "3",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ -2.475,+ 0.635+ ],+ "rot": 0.0,+ "size": [+ 1.95,+ 0.6+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "3",+ "name": "NC",+ "type": "unconnected",+ "description": "No connection. Datasheet features list explicitly states '芯片第3脚无功能' (Pin 3 has no function). Leave unconnected on the PCB.",+ "is_pin1": false,+ "source": {+ "geometry": "SOIC-8_3.9x4.9mm_P1.27mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "4",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ -2.475,+ 1.905+ ],+ "rot": 0.0,+ "size": [+ 1.95,+ 0.6+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "4",+ "name": "INN",+ "type": "input",+ "description": "Inverting analog audio input to the input op-amp stage. Closed-loop gain of the first stage is set by external Rf (feedback) and Ri (input) resistors; overall differential BTL gain AVD = 2*(Rf/Ri). AC-couple the source through Ci (typ. 0.39μF) which forms a high-pass filter with Ri (fC = 1/(2πRiCi)).",+ "is_pin1": false,+ "source": {+ "geometry": "SOIC-8_3.9x4.9mm_P1.27mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "5",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ 2.475,+ 1.905+ ],+ "rot": 0.0,+ "size": [+ 1.95,+ 0.6+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "5",+ "name": "VO1",+ "type": "output",+ "description": "Analog audio output 1 (one side of the bridge-tied-load speaker output). Biased at VDD/2 mid-rail; drives one terminal of the 4Ω or 8Ω speaker directly with no output coupling capacitor required. Signal is 180° out of phase with VO2.",+ "is_pin1": false,+ "source": {+ "geometry": "SOIC-8_3.9x4.9mm_P1.27mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "6",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ 2.475,+ 0.635+ ],+ "rot": 0.0,+ "size": [+ 1.95,+ 0.6+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "6",+ "name": "VDD",+ "type": "power_in",+ "description": "Positive supply input. Recommended operating range 2.0V to 5.5V (absolute max 6V). Quiescent supply current IDD ≈ 15mA (no load, VDD=5V). Decouple with 10μF and 0.1μF capacitors placed close to the pin.",+ "is_pin1": false,+ "source": {+ "geometry": "SOIC-8_3.9x4.9mm_P1.27mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "7",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ 2.475,+ -0.635+ ],+ "rot": 0.0,+ "size": [+ 1.95,+ 0.6+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "7",+ "name": "GND",+ "type": "power_in",+ "description": "Power ground / analog ground return for the amplifier.",+ "is_pin1": false,+ "source": {+ "geometry": "SOIC-8_3.9x4.9mm_P1.27mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ },+ {+ "pad": "8",+ "kind": "smd",+ "shape": "roundrect",+ "at": [+ 2.475,+ -1.905+ ],+ "rot": 0.0,+ "size": [+ 1.95,+ 0.6+ ],+ "layers": [+ "F.Cu",+ "F.Mask",+ "F.Paste"+ ],+ "thermal": false,+ "pin": "8",+ "name": "VO2",+ "type": "output",+ "description": "Analog audio output 2 (other side of the bridge-tied-load speaker output). Biased at VDD/2 mid-rail; the internal second-stage op-amp is fixed at unity inverting gain via two internal 20kΩ resistors, so VO2 is 180° out of phase with VO1. Connect the speaker directly between VO1 and VO2.",+ "is_pin1": false,+ "source": {+ "geometry": "SOIC-8_3.9x4.9mm_P1.27mm.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ }+ ]+}